blob: 904882442710e4044ee15a1068064622e0418daa [file] [log] [blame]
Hal Canary83c2f702019-03-07 14:53:03 -05001// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3#include "fiddle/examples.h"
4// HASH=befac1c29ed21507d367e4d824383a04
5REG_FIDDLE(ImageInfo_015, 256, 640, false, 0) {
6void draw(SkCanvas* canvas) {
7 const char* colors[] = { "Unknown", "Alpha_8", "RGB_565", "ARGB_4444", "RGBA_8888", "RGB_888x",
8 "BGRA_8888", "RGBA_1010102", "RGB_101010x", "Gray_8", "RGBA_F16Norm",
9 "RGBA_F16" };
10 const char* alphas[] = {"Unknown ", "Opaque ", "Premul ", "Unpremul"};
11 SkAlphaType alphaTypes[] = { kUnknown_SkAlphaType, kOpaque_SkAlphaType, kPremul_SkAlphaType,
12 kUnpremul_SkAlphaType
13 };
14 SkPaint paint;
15 SkFont font(SkTypeface::MakeFromName("monospace", SkFontStyle()), 10);
16 int y = 15;
17 canvas->drawString(" colorType alphaType canonical", 10, y, font, paint);
18 for (SkColorType colorType : {
19 kUnknown_SkColorType, kAlpha_8_SkColorType, kRGB_565_SkColorType,
20 kARGB_4444_SkColorType, kRGBA_8888_SkColorType, kRGB_888x_SkColorType,
21 kBGRA_8888_SkColorType, kRGBA_1010102_SkColorType, kRGB_101010x_SkColorType,
22 kGray_8_SkColorType, kRGBA_F16_SkColorType
23 } ) {
24 for (SkAlphaType alphaType : alphaTypes) {
25 SkAlphaType canonicalAlphaType = kUnknown_SkAlphaType;
26 bool result = SkColorTypeValidateAlphaType(colorType, alphaType, &canonicalAlphaType);
27 SkString string;
28 string.printf("%13s %10s %10s", colors[(int) colorType], alphas[(int) alphaType],
29 result ? alphas[(int) canonicalAlphaType] : "------ ");
30 canvas->drawString(string, 10, y += 14, font, paint);
31 }
32 }
33}
34} // END FIDDLE